TIN ComplianceA resource from TIN Comply
Reference

Information-reporting figures for 2026

Every number a filer needs this year on one page: penalty tiers and caps, reporting thresholds, the backup withholding rate, the e-file threshold and the due dates. Updated once a year when the IRS publishes the inflation adjustments; each figure names its source.

Covers filing season 2026 (tax year 2025 returns) and payments made in 2026Updated September 22, 2026Sources Rev. Proc. 2024-40; Pub. L. 119-21 (2025); IRS General Instructions for Certain Information Returns; Pub 1281

Reporting thresholds: 2025 payments vs. 2026 payments

The 2025 tax law (Pub. L. 119-21) changed two thresholds, and they take effect in different years, which is the source of most confusion this season.

FormPayments made in 2025
(reported in early 2026)
Payments made in 2026
(reported in early 2027)
Source
1099-NEC (nonemployee compensation)$600 or more$2,000 or more, indexed for inflation from 2027IRC 6041A as amended
1099-MISC (rents, royalties, prizes, other income, medical, attorney payments)$600 or more (royalties $10)$2,000 or more (royalties unchanged at $10)IRC 6041 as amended
1099-K (payment card and third-party network)More than $20,000 and more than 200 transactions (the $600 phase-down was repealed retroactively)More than $20,000 and more than 200 transactionsIRC 6050W as amended
1099-INT / 1099-DIV$10 or more ($600 for some interest)UnchangedIRC 6049, 6042

For the returns you file in January 2026, nothing has changed: $600 is still the NEC/MISC threshold for 2025 payments. The $2,000 threshold applies to what you pay in 2026, so vendors paid between $600 and $1,999 in 2026 will not need a 1099-NEC in January 2027. Keep collecting a W-9 from every vendor at onboarding regardless: in March you can't know which vendors will cross $2,000 by December, and the solicitation record is what protects you if one does.

Penalties for returns due in 2026

IRC 6721 (the return filed with the IRS) and IRC 6722 (the statement furnished to the payee) each carry the same per-return amounts, so one bad TIN usually costs twice the figure shown. Amounts per Rev. Proc. 2024-40.

Correct return filedPer returnAnnual maximumAnnual maximum, small business*
Within 30 days of the due date$60$683,000$239,000
After 30 days, by August 1, 2026$130$2,049,000$683,000
After August 1, 2026, or never$340$4,098,500$1,366,000
Intentional disregard$680 or 10% of the amount required to be reported, whichever is greaterNoneNone

*Average annual gross receipts of $5 million or less for the three most recent tax years. Estimate a notice with the 972CG penalty estimator.

Backup withholding

Item2026Source
Rate24%IRC 3406(a)(1)
Applies toReportable payments to a payee with a missing TIN, an IRS-notified incorrect TIN (after the B-Notice period), an IRS under-reporting notice, or a failed W-9 certificationIRC 3406(a); Pub 1281
Threshold for 6041/6041A paymentsWithholding applies once payments to the payee reach the reporting threshold ($600 for 2025 payments; $2,000 for payments made after 2025)IRC 3406(b)(6) as amended
DepositsEFTPS, on the same monthly/semiweekly schedule as employment taxes; under $2,500 for the year may be paid with Form 945Form 945 instructions
Annual returnForm 945, due February 2, 2026 (January 31 falls on a Saturday); February 10 if all deposits were made on timeForm 945 instructions
Shown to the payeeBox 4 (federal income tax withheld) of the 1099Form instructions

Details in the backup withholding guide; compute an amount with the backup withholding calculator.

E-file and other filing rules

Rule2026Source
Electronic filing required whenYou file 10 or more information returns of any type in aggregate (W-2s, 1099s, 1095s and others counted together)Treas. Reg. 301.6011-2 (T.D. 9972)
Where to e-fileIRIS (Information Returns Intake System) or FIRE for 1099 series; SSA Business Services Online for W-2IRS
Extension of time to fileForm 8809: automatic 30 days for most 1099s; not automatic for 1099-NEC or W-2 (hardship criteria only)Form 8809 instructions
TIN Matching ProgramFree; interactive 25 pairs per request; bulk 100,000 per file, results in 24 hours; enrollment via e-Services with 1099 filing historyPub 2108A
W-9 revisionMarch 2024 revision (adds line 3b for flow-through entities with foreign owners); older forms on file remain validForm W-9

Due dates in 2026 (tax year 2025 returns)

When a due date falls on a weekend or legal holiday it moves to the next business day; January 31, 2026 and February 28, 2026 are Saturdays, March 15, 2026 is a Sunday.

FormTo the recipientTo the IRS/SSA on paperTo the IRS/SSA electronically
1099-NECFebruary 2, 2026February 2, 2026February 2, 2026
1099-MISCFebruary 2, 2026 (February 17 if amounts in boxes 8 or 10)March 2, 2026March 31, 2026
1099-INT, 1099-DIV, 1099-K, 1099-B*, othersFebruary 2, 2026 (*February 17 for 1099-B and consolidated statements)March 2, 2026March 31, 2026
W-2 / W-3February 2, 2026February 2, 2026February 2, 2026
1042-SMarch 16, 2026March 16, 2026March 16, 2026
Form 945 (backup withholding)February 2, 2026 (February 10 if deposits were timely and in full)

Notice deadlines

NoticeDeadlineSource
CP2100 / CP2100A: send B-Notice15 business days from the notice date or receipt, whichever is laterPub 1281
CP2100 / CP2100A: begin backup withholdingNo later than 30 business days after the notice date if no valid W-9 / validation receivedPub 1281
Second B-Notice triggerSame account listed twice within three calendar yearsPub 1281
Notice 972CG: respond45 days from the notice date (60 if outside the U.S.)Notice 972CG
Missing-TIN annual solicitationsBy December 31 of the year opened (January 31 following if opened in December); by December 31 of the next yearReg. 301.6724-1(e)

Work the dates out with the B-Notice deadline calculator and the solicitation deadline calculator.

Prior years, for late notices

A Notice 972CG received in 2026 usually covers returns due in 2025. Those amounts were $60 / $130 / $330 per return, $660 for intentional disregard, with maximums of $664,500 / $1,993,500 / $3,987,000 ($232,500 / $664,500 / $1,329,000 for small businesses), per Rev. Proc. 2023-34. Returns due in 2024: $60 / $120 / $310, $630 intentional. The backup withholding rate has been 24% since 2018.